<template>
  <div class="login">
    <div class="container">
      <el-form
        :model="loginForm"
        :rules="rules"
        ref="ruleForm"
        label-width="100px"
        class="demo-ruleForm"
      >
        <div class="logo avatar">
          <img src="../assets/avatar.jpg" alt />
        </div>
        <el-form-item label-width="0" prop="username">
          <el-input
            @focus="handle('username')"
            v-model="loginForm.username"
            prefix-icon="el-icon-user"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <el-form-item label-width="0" prop="password">
          <el-input
            @focus="handle('password')"
            v-model="loginForm.password"
            prefix-icon="el-icon-key"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item label-width="0">
          <el-button type="primary" @click="subim" class="login-btn">登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { mylogin } from "@/api/user";
export default {
  data() {
    return {
      loginForm: {
        username: "10086",
        password: "123",
      },
      rules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 5, message: "请输入用户名", trigger: "blur" },
        ],
        password: [{ required: true, message: "请输入密码", trigger: "blur" }],
      },
    };
  },
  methods: {
    subim() {
      // 实现用户数据的验证，如果验证通过，再发请求，否则中止本次的请求
      this.$refs.ruleForm.validate(async (valid) => {
        if (valid) {
          let res = await mylogin(this.loginForm);
          console.log(res);
          if (res.data.message === "登录成功") {
            // 存储当前用户的登陆状态
            localStorage.setItem("heima_houtai", res.data.data.token);
            // 跳转到后台首页
            this.$router.push({ name: "index" });
          } else {
            // 给出提示
            this.$message.error(res.data.message);
          }
        } else {
          this.$message.warning("数据输入不合法");
          return false;
        }
      });
    },
    handle(sstr) {
      // 聚焦取消表单验证
      this.$refs.ruleForm.clearValidate(sstr);
    },
  },
};
</script>

<style lang="less" scoped>
.login {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #2f4050;

  .container {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 0px 40px 15px 40px;
    margin: 200px auto;
    background: white;
    .avatar {
      position: relative;
      left: 50%;
      width: 120px;
      height: 120px;
      margin-left: -60px;
      margin-top: -60px;
      box-sizing: border-box;
      border-radius: 50%;
      border: 10px solid #fff;
      box-shadow: 0 1px 5px #ccc;
      overflow: hidden;
    }
    .login-btn {
      width: 100%;
    }
  }
}
</style>